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EAMCET Medical EAMCET Medical Solved Paper-1998

  • question_answer
    The power of a pump which can pump 200 kg of water to a height of 200 m in 10 s is: \[(g=10\text{ }m/{{s}^{2}})\]

    A)   40 kW                                 

    B)  80 kW

    C)  4000 kW                             

    D)  960 kW

    Correct Answer: A

    Solution :

                     From the relation,\[Power\,P=\frac{work}{time}=\frac{mgh}{t}\]\[\left( \begin{align}   & Given:mass\,of\,water\,m=200\,kg \\  & height\,h=\,200\,m \\  & time\,t=10\,s \\  & g=10\,m/{{s}^{2}} \\ \end{align} \right)\] Putting the given value in Eq. (1), we have\[=\frac{200\times 10\times 200}{10}=40000\,\text{watt = 40}\,\text{kW}\]


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